CN2233653Y - Board for loudspeaker material - Google Patents
Board for loudspeaker material Download PDFInfo
- Publication number
- CN2233653Y CN2233653Y CN94247753U CN94247753U CN2233653Y CN 2233653 Y CN2233653 Y CN 2233653Y CN 94247753 U CN94247753 U CN 94247753U CN 94247753 U CN94247753 U CN 94247753U CN 2233653 Y CN2233653 Y CN 2233653Y
- Authority
- CN
- China
- Prior art keywords
- utility
- model
- plate
- temperature
- adhesion coating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/26—Porous or cellular plastics
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/35—Heat-activated
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2425/00—Presence of styrenic polymer
- C09J2425/006—Presence of styrenic polymer in the substrate
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Laminated Bodies (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The utility model relates to a decorated board for loudspeaker materials. The utility model is formed by a decorative material and a double-face adhesion belt in a stacking way instead of textile stacking, etc. Besides, the utility model and a sound box made of the polystyrene can be sprayed simultaneously. The utility model can be recovered without stripping the sound box in the processing process. Therefore, the utility model increases the economic benefit and protects the natural environment. In particular, the utility model is suitable for a Board for loudspeaker materials. The utility model is characterized in that the utility model comprises a plastic board of the expanded polystyrene class with a plurality of micro through holes distributed approximately uniformly. The diameter of each through hole is 0.1-0.6 mm, and besides, the total quantity can reach a total area whose open area ratio is 10%-40%. The utility model also comprises the double-face adhesion belt which is provided with a temperature sensitive adhesive layer, and thus, the temperature sensitive adhesive in the double-face adhesion belt can be contacted with one surface of the plastic plate.
Description
The utility model relates to a kind of plate that is used for the loud speaker material.The plate that particularly relates to the ostentatious loud speaker material of the speaker portion that is used to resemble television set and sound equipment and so on acoustic equipment.
The present being seen loud speaker material that is used for speaker portion such as television set, sound equipment, the perforated metal plate that for example is included on the metallic plate punching and obtains, punching and paste the punching multi-layer sheet that obtains as the little silk screen of cramming the microgrid of material and by meshi fabric is connected the sheet of knitting that obtains face-to-face with a little silk screen on polyvinyl chloride or polyester film to the surface of punching diaphragm.
The shortcoming of metallic plate of punching is that not only cost is very high, and the ice-cold sense of touch that produces owing to the metal own characteristic.The punching multi-layer sheet shortcoming is also arranged, this be since for cooperate as to paste the loud speaker material sound box bodies design and must spray respectively polyvinyl chloride or polyester film the surface or little silk screen surface.Spraying is because audio amplifier etc. is a polystyrene by in fact usual limited cost constitutes respectively, and the sprayed on material that is used for polyvinyl chloride or polyester film sheet is different with the material that is used for audio amplifier etc., therefore, can not be simultaneously with a kind of coating to audio amplifier and plastic plate integral spray.
In recent years, the audio amplifier that is made of plastics can reclaim as waste treatment.In a single day make by polyvinyl chloride, polyester, volume reticular layer and little silk screen etc. and resemble the such ornament materials of loud speaker material, then they and the audio amplifier material of being made by polystyrene can not be carried out hot melt simultaneously and handle.Therefore, this plane materiel stands to want expensive time and manpower from the audio amplifier material separately before hot melt is handled at the audio amplifier material.
A purpose of the present utility model provides a kind of new sheet material that is used for the loud speaker material.
Another purpose of the present utility model provides a kind of sheet material that is used for the loud speaker material, can be easily with its recovery after audio amplifier etc. is discarded.
Another purpose of the present utility model provides a kind of sheet material that is used for the loud speaker material, it can be sprayed with a kind of coating simultaneously, with the appearance that keeps audio amplifier to induce one.
Above-mentioned purpose of the present utility model is to finish by a sheet material that is used for loud speaker, it is characterized in that it comprises that has a lot of roughly expanded polystyrene class plastic plates of equally distributed small through hole, the diameter of micro through hole is 0.1-0.6mm, sum reaches the area that equates with percent opening 10%-40%, also comprise a surface, have a temperature-sensitive adhesion coating on it so that the temperature-sensitive adhesion coating can contact with the one side of plastic plate at double-face adhesive tape.
The sheet material that is used for the loud speaker material that the utility model relates to, wherein the temperature-sensitive adhesion coating of double-face adhesive tape is handled through delustering.The plate that is used for loud speaker that the invention still further relates to, wherein the delustering surface forms by form the temperature-sensitive adhesion coating on a releasing layer, and this releasing layer has a slight irregular surface and shifts this layer subsequently.The plate that is used for loud speaker that the invention still further relates to, wherein the delustering surface forms by mix little filler particles in the temperature-sensitive adhesion coating.The plate that is used for loud speaker that the invention still further relates to, wherein expanded polystyrene class plastic plate and temperature-sensitive adhesion coating on color basic identical.The plate that is used for loud speaker that the invention still further relates to, wherein double-face adhesive tape has and the corresponding to hole, hole that forms on an audio amplifier.
A kind of sheet material that is applicable to the audio amplifier material of the present utility model, it is characterized in that it comprises an expanded polystyrene class plastic plate with many roughly equally distributed micro through holes, the diameter of its micro through hole is 0.1-0.6mm and adds up to the area that equates with percent opening 10%-40%, also comprises a double-face adhesive tape with temperature-sensitive adhesion coating so that the temperature-sensitive adhesion coating can contact with a surface of above-mentioned plastic plate.Because this plate can be hidden audio amplifier is provided the frame of shape and do not need to use ornament materials as little silk screen, so can obtain the form of the polystyrene type plastic plate of individual layer.When this plate reclaims after discarded, can directly be used to the crushed work of reclaiming and need not to spend the extra work that resembles other material of sloughing little silk screen and so on.Like this, can be considered as fully paying attention to a kind of material of natural environment well according to sheet material of the present utility model.
In addition, because sheet material is by constituting with the audio amplifier identical materials, so sheet material and the audio amplifier that engages with sheet material can be by integral sprays.Integral spray has reduced treatment step and has had remarkable economic efficiency.
Moreover the temperature-sensitive sticker that is used to connect expanded polystyrene class plastic plate and double-face adhesive tape is rendered as solid-state, and is shown as under room temperature usually and does not have viscosity fully.When this temperature-sensitive sticker for attachment to expanded polystyrene class plastic plate on and when being added on the loudspeaker enclosure, the dust that is suspended in the micropore that the air neutralization enters plastic plate can not adhere on the temperature-sensitive adhesion coating.
When the temperature-sensitive adhesion coating has one during through smooth processing in advance surperficial, then be refracted and convert to a kind of scattered light and make this surface that is exposed under the incident light seem to have no gloss owing to incident light.
Fig. 1 is the exploded perspective illustration that is used to represent according to the structure of the plate of loud speaker material of the present utility model;
Fig. 2 is the amplification profile along the II-II line of Fig. 1.
Now, with the utility model will be further described with reference to the accompanying drawings.
As depicted in figs. 1 and 2 be used for plate according to loud speaker material of the present utility model, be a kind of with an expanded polystyrene shape flitch 1 attached to the product on the double-face adhesive tape 2.Discharge paper 7 with one on the idle face of this double-face adhesive tape 2, be used to prevent the adhesion coating drying on the another side of double-face adhesive tape 2.
According to the utility model, because the material of polystyrene type plastic plate is compounded in the sound amplifying device flitch, so except polystyrene plastics, advance in the polystyrene plastics by for example phenylethylene rubber or butadiene rubber are compound with some, perhaps rubber chemistry is reacted to the polystyrene type plastics that obtain HI high impact in the polystyrene and is fine by graft polymerization or bulk polymerization.
By in the latex butadiene rubber that styrene and acrylonitrile is joined an emulsion polymerisation and the mixture of its generation is carried out the second step polymerization to obtain acrylonitrile one butadiene, one polyglass (ABS) also be feasible.Yet, it would be desirable and adopt the HTPS plastics.
Except plastic component above-mentioned, can also in these plastics, add plasticizer, lubricant, stabilizer, antistatic agent and colouring agent or the like.In order to reach the purpose of this utility model, add colouring agent and prove very effective.It is not fine adding plasticizer and lubricant, and this is because the adherence that these compositions have changed the quality of plate or slackened plate.
From polystyrene type plastics above-mentioned, this plastic plate is easy to obtain, and for example obtains by a common extrusion equipment and roll to cool off to be squeezed into template.
Plastic plate has one 0.2 thickness to the 1.0mm scope, and scope is 0.25 to 0.6mm preferably.Plastic plate preferably is wound on the roller bearing.If the thickness of plastic plate is less than 0.2mm, owing to show undesirable feature in folding and distortion and the punching described specially below and hot sticky the processing, on the contrary, if the thickness of plastic plate is greater than 1.0mm, then because the difficulty that in the process that is wound into a volume and the deficiency of heat conductivity, is run into, must in the heat bonding process, add high temperature or time expand and produce shortcoming.
In plastic plate 1, formed small through hole 8 as depicted in figs. 1 and 2, these small through hole are produced by so-called drilling technology usually, and it has used a forcing press that is called puncher and and has comprised a pressure mould and a continuous-feeding mechanism.
In punching work, be equipped with formpiston and cooperation former that a row or multi-row (for example 3 rows) have the pin of specified diameter by using one, on the polystyrene type plastic plate, have small through hole.In this case, can use oil or surfactant to prevent that perforating mold from producing distortion, producing the low-quality metering-orifice and damaged.The diameter that it is 0.1-0.6mm that small through hole has a scope, preferably 0.2-0.4mm.If the diameter in hole, then must produce many small through hole less than 0.1mm to keep enough percent openings, become difficult, consequently very uneconomical so finish the production of punching work and perforating mold.On the contrary, if diameter surpasses 0.6mm, then plate to be settled the lip-deep opening of audio amplifier on it to seem that itself and the other parts on surface have significant difference, so audio amplifier must use a plane materiel that separates.
The amount of the small through hole of beating on plastic plate 18 will reach an area, and promptly the scope of percent opening is 10-40%, preferably 15-35%.If percent opening is less than 10%, then the deficiency of small through hole will influence the acoustic characteristic of audio amplifier.On the contrary, if percent opening surpasses 40%, then the opening on the audio amplifier surface that plate will be installed on it seems, and the other parts with the surface have tangible difference, so audio amplifier must use a plane materiel that separates.
As shown in Figure 2, double-face adhesive tape 2 has a temperature-sensitive adhesion coating and is used for the present invention, and double-face adhesive tape 2 comprises that a bearing bed 5, a temperature-sensitive adhesion coating 4 place a surface of bearing bed 5, and place a pressure-sensitive adhesion coating 6 on the another side.In this case, can mix a kind of colouring agent to expanded polystyrene class plastic plate, preferably same hue with same or similar color with the contacted temperature-sensitive adhesion coating 4 of expanded polystyrene class plastic plate.In addition, smooth processing need be carried out in the surface of temperature-sensitive adhesion coating 4.
The exemplary of described here a kind of so two-sided adhesion coating, comprise a bearing bed, a lip-deep heat-sensitive layer can selecting to comprise the filler of hollow bead and place bearing bed, with one as Japanese patent application NO.04-284, disclosed another lip-deep varistor layer that places bearing bed in 878.
As the example of typical this bearing bed, by polystyrene, polyethylene, polypropylene, polyester, polyvinyl chloride, polyimides or wherein be mixed with sheet or the discerptible nonwoven fabric that the thermoplastics of these polymer makes and list.The scope of the thickness of bearing bed is 5-100 μ m, is preferably 10-50 μ m.
The temperature-sensitive adhesion coating means to show as under normal room temperature does not have viscosity or only little sticking adhesion coating, will be melted or during softening scope, then the surface of being given is demonstrated adherence when hot pressing or thermosphere are pressed onto.As the example that typically can be used for this temperature-sensitive adhesion coating, can exemplify ethene one vinyl acetate plastics series as the hot melt stick, polyester plastics series and Maranyl series and as neoprene series, acrylonitrile-butadiene rubber series, styrene butadiene rubbers series, styrene embedding copolymer series, acrylics series, polyester plastics series and the polyurethane plastics series of solution dosage stick.The shortage of this temperature-sensitive sticker viscosity can obtain as proper additive such as viscosity-increasing agent filler, ultra-violet absorber, antioxidant and pigment by adding in sticker.In other sticker that exemplifies in the above, styrene block copolymer series, polyester plastics series and polyurethane plastics series prove specially suitable.
Polyester plastics itself obviously is imbued with crystallinity, and being shown as does not usually have viscosity fully and not only be used for the hot melt sticker but also as solution type binder.Yet the polyurethane plastics sticker lacks viscosity and can produce various materials at an easy rate as polyester plastics.
The surface of temperature-sensitive adhesion coating is preferably carried out delustering and is handled.Especially, for example obtain the sanding surface, have a good out-of-flatness surface and also therefrom the releasing layer surface is exerted an influence to the mobile of temperature-sensitive adhering agent layer by on a releasing layer, forming the temperature-sensitive adhesion coating.In addition, the sanding surface also can obtain by mix the filling particulate in the temperature-sensitive adhesion coating.The thickness of temperature-sensitive adhesion coating in the scope of 20-80 μ m, 30-70 μ m preferably.
As typical filler particulate, can exemplify quartzy balloon, glass balloon, alum clay balloon, coal ash balloon, volcanic ash balloon, carbolic acid microballoon, the hollow grain of polyvinyl chloride and conduct vectorial filler hollow particle at interval.For flat surface effectively, the filler particulate need have the particle diameter of a scope at 1-200 μ m, is preferably 5-100 μ m.Mention in the above and satisfy in other filler particulate of this specific granule diameter, glass micro-balloon, quartzy balloon and volcanic ash balloon prove particularly suitable.
Be mixed into the weight ratio of the particulate of the filler in the temperature-sensitive adhesion coating, the temperature-sensitive sticker with respect to 100 parts, its scope is preferably 5-10 part.When this sticker was added on the surface of synthetic plastic sheet, filler particulate part was from the surperficial upper process of the adhesion coating that added.Because these outstanding filler particulates have covered a temperature-sensitive sticker film, the light beam that then shines on the filler particulate is reflected.When the filler particulate was hollow particle, irradiates light was opened by random scatter.Therefore, reverberation has from the teeth outwards lost gloss.
It is exactly widely used at present placing another lip-deep varistor layer of bearing bed.As the example of typical varistor layer, except the acrylic compounds sticker, also can exemplify out and resemble natural rubber series, styrene block copolymer, butyl rubber series, polyisobutene series and the such varistor layer sticker of polysiloxanes series.The thickness of varistor layer is in the scope of 5-200 μ m, is preferably 20-100 μ m.
The example of another kind of typical double-face adhesive tape is to comprise that a bearing bed, one have mixed a kind of thermal expansion material and placed temperature-sensitive adhesive film on the surface of bearing bed and the pressure-sensitive adhesion coating on another surface that places bearing bed in the temperature-sensitive sticker, as Japan Patent JP-A-04-198,290 is disclosed.This special double-face adhesive tape can be used for the utility model, as long as temperature-sensitive condition and foaming condition do not produce adverse influence to the characteristic as the expanded polystyrene class plastic plate of ornament materials.
As shown in Figure 1, all provide opening 3a and 3b to double-face adhesive tape 2 and releasing layer 7 as described above, with the opening of corresponding audio amplifier (not shown).
The double-face adhesive tape 2 of as above describing and producing through heat treatment so that 4 pairs of expanded polystyrene plastic plates of temperature-sensitive adhesion coating 1 produce viscosity.Simultaneously, place the lip-deep pressure-sensitive adhesion coating 6 of another of bearing bed 5 to be peeled off releasing layer 7 and be added on the audio amplifier (not shown), make the opening in opening 3a and 3b and the audio amplifier adapt, apply then to suppress and make it reach effect as the ornament materials of loud speaker.Like this, double-face adhesive tape appears the surface of itself and the possibility of the audio amplifier outward appearance finished of infringement no longer exists.
When needs, can add a tongue 8b in the end of its associating to expanded polystyrene class plastic plate 1, double-face adhesive tape 2 and releasing layer 7, as depicted in figs. 1 and 2.Between tongue 8b and polylayer forest, only having a groove 9 on the thickness by expanded polystyrene class plastic plate 1 and double-face adhesive tape 2.For this structure, in the time will being applied to audio amplifier according to the plate that is used for the loud speaker material of the present utility model, simplified the work that releasing layer 7 is peeled from polylayer forest, this is to separate with the polylayer forest and the releasing layer 7 that have the double-face adhesive tape 2 of releasing layer 7 comprising plastic plate 1 because be easy on the position of notch 9 when holding tongue 8b and leaving behind.
Now, the utility model will be described further with reference to following production example.
Example:
Be ready to dispersion liquid as the following component of polyurethanes sticker.
Polyurethane plastics (is produced and registered trade mark by Sumitomo Bayer K.K
Be Desmo Coll420) 40 weight portions
(by Hitachi Chemical Co., Ltd. produces ketone plastic, registered trade mark
Be Hilac 222) 10 weight portions
Carbon black 0.05 weight portion
Quartzy balloon (average particulate diameter is 60 μ m) is (by Asahi Chemical
Industry Co., Ltd. produces. and the registration goods code is " Q-CEL ")
8 weight portions
Methyl ethyl ketone 300 weight portions
Dispersion liquid is applied on the surface that a thickness is 25 μ m and the polyester film that carries out Corona discharge Treatment in advance, and the applied layer that dispersion liquid is applied on the polyester film descends dry two minutes so that provide an even curface to the temperature-sensitive adhesive film at 90 ℃.In addition, on a charge releasing belt with a polysiloxanes releasing layer, add a kind of mainly forming the viscosity stick and (produce by 100 weight portions by Soken Kagaku K.K by acrylic polymer, registered trade mark is " SK Dyne 1717 ") with the isocyanate-based crosslinking agent of 0.5 weight portion (produces by Nippon Polyurethane K.K. registered trade mark is the solution that " CoronateL " mixes,, its amount is got by the drying layer THICKNESS CALCULATION of 70 μ m.Then, a solution releasing layer that applies on releasing layer has formed a pressure-sensitive adhesion coating after super-dry.Pressure-sensitive adhesion coating is transferred on the surface of the polyester film that does not carry the temperature-sensitive adhesion coating, so that form a double-face adhesive tape.
Forming opening according to the opening on audio amplifier on the double-face adhesive tape, as the basis of on loud speaker, using plate.
By one 100 ℃, and have a thermosphere device of the temperature-sensitive adhesion coating that is contiguous to XPS, it is that 0.4mm, area are the hole of 24% porosity and are linked up Face to face by the HTPS plate that carbon black forms black that this double-face adhesive tape and one are had many roughly evenly distributed, diameters, has just produced a plate that is used for the loud speaker material.
The plate that will be used for the loud speaker material is added on the pressure sensitive adhesive face of double-face adhesive tape and is added to the polystyrene audio amplifier loud speaker of a television set, makes the opening of its opening and audio amplifier loudspeaker assembly adapt.Then, under 40 ℃, they are compressed 10 seconds mutually, make it form one fast with a rubber press.
For combining by audio amplifier said method of the present utility model, that be used for the plate of loud speaker material, (produce with a kind of polystyrene level acrylic coating by Ohashi K agaku K.K, registered trade mark is " Polynar DH 1003 ") when spraying, to being used for the plate pressurization and the drying of loud speaker material.The adhesion zone test of a high load capacity has been passed through in this spraying that forms on speaker portion.The plate and the audio amplifier that are used for the loud speaker material demonstrate a kind of associative perception and superior appearance.
When with this audio amplifier and the pulverizing together of loud speaker material, hot melt, stirring and injection moulding, can obtain at the perfect molded article in aspects such as profile, intensity.
Claims (6)
1. plate that is used for the loud speaker material, it is characterized in that it comprises an expanded polystyrene class plastic plate with many roughly equally distributed micro through holes, the diameter of micro through hole is the percent opening area that 0.1-0.6mm and total amount reach 10%-40%, the temperature-sensitive sticker on it also comprises a double-face adhesive tape that has a temperature-sensitive adhesion coating on it, so that can contact with the one side of described plastic plate.
2. plate as claimed in claim 1 is characterized in that the described temperature-sensitive adhesion coating of described double-face adhesive tape has the surface of handling through delustering.
3. plate as claimed in claim 2 is characterized in that surface that described delustering is handled is to shift the surface that this layer forms then by forming described temperature-sensitive adhesion coating on the releasing piece that has a trickle irregular surface at.
4. as the plate of claim 2 or 3, it is characterized in that the surface that described delustering is handled is by the filler microparticle being dispersed in the surface that forms in the described temperature-sensitive adhesion coating.
5. as each plate among the claim 1-3, it is characterized in that described expanded polystyrene class plastic plate is the plastic plate that just the same color is arranged with described temperature-sensitive adhesion coating.
6. as each plate among the claim 1-3, it is characterized in that described double-face adhesive tape have with an audio amplifier in the opening that adapts of perforate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP76175/93 | 1993-12-22 | ||
| JP1993076175U JP2567211Y2 (en) | 1993-12-22 | 1993-12-22 | Speaker material sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2233653Y true CN2233653Y (en) | 1996-08-21 |
Family
ID=13597772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94247753U Expired - Lifetime CN2233653Y (en) | 1993-12-22 | 1994-12-22 | Board for loudspeaker material |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2567211Y2 (en) |
| KR (1) | KR200193720Y1 (en) |
| CN (1) | CN2233653Y (en) |
| MY (1) | MY119779A (en) |
| TW (1) | TW297578U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106961642A (en) * | 2017-03-31 | 2017-07-18 | Tcl空调器(中山)有限公司 | The acoustic structure and air conditioner room unit of air conditioner room unit |
| CN107580784A (en) * | 2015-10-14 | 2018-01-12 | 克拉瑞迪音频有限公司 | Laminated glass and laminating propylene acid loudspeaker box |
| CN110572746A (en) * | 2019-08-19 | 2019-12-13 | 歌尔股份有限公司 | A conducting film and sound generating mechanism for sound generating mechanism |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5444614B2 (en) * | 2007-12-27 | 2014-03-19 | Ｄｉｃ株式会社 | Matte adhesive tape |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4807294A (en) * | 1986-06-20 | 1989-02-21 | Mitubishi Petrochemical Co., Ltd. | Piezoelectric and foam resin sheet speaker |
| JPH0730989A (en) * | 1993-05-12 | 1995-01-31 | Oshitani Sangyo Kk | Speaker front sheet |
-
1993
- 1993-12-22 JP JP1993076175U patent/JP2567211Y2/en not_active Expired - Lifetime
-
1994
- 1994-12-20 MY MYPI94003435A patent/MY119779A/en unknown
- 1994-12-21 KR KR2019940034859U patent/KR200193720Y1/en not_active IP Right Cessation
- 1994-12-22 CN CN94247753U patent/CN2233653Y/en not_active Expired - Lifetime
- 1994-12-22 TW TW083218406U patent/TW297578U/en unknown
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107580784A (en) * | 2015-10-14 | 2018-01-12 | 克拉瑞迪音频有限公司 | Laminated glass and laminating propylene acid loudspeaker box |
| CN107580784B (en) * | 2015-10-14 | 2019-12-13 | 克拉瑞迪音频有限公司 | Laminated glass and laminated acrylic loudspeaker cabinet |
| CN106961642A (en) * | 2017-03-31 | 2017-07-18 | Tcl空调器(中山)有限公司 | The acoustic structure and air conditioner room unit of air conditioner room unit |
| CN110572746A (en) * | 2019-08-19 | 2019-12-13 | 歌尔股份有限公司 | A conducting film and sound generating mechanism for sound generating mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| KR200193720Y1 (en) | 2000-09-01 |
| JPH0742287U (en) | 1995-07-21 |
| KR950022189U (en) | 1995-07-28 |
| JP2567211Y2 (en) | 1998-04-02 |
| TW297578U (en) | 1997-02-01 |
| MY119779A (en) | 2005-07-29 |
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